The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2016
Filed:
Mar. 07, 2014
Honda Motor Co., Ltd., Tokyo, JP;
HONDA MOTOR CO., LTD., Tokyo, JP;
Abstract
An exhaust gas purification device for a general-purpose engine includes a crankcase and a cylinder block provided continuously on an upper portion of the crankcase and inclined to one lateral side of the crankcase. A catalytic converter is provided in an exhaust muffler of the engine. A downstream end of a secondary air introduction pipe is connected to an exhaust pipe upstream of the muffler. A dedicated air filter is connected through a one-way valve to an upstream side of the secondary air introduction pipe. The filter is disposed between the crankcase and a lower surface of the cylinder block. The secondary air introduction pipe is arranged so as to meander on one side of the cylinder block. Accordingly, the device can be employed without increasing an outer size of the engine, and can also securely introduce secondary air into an exhaust system, thereby enhancing an exhaust gas purifying effect.